package com.dongdongshop.controller;

import com.alibaba.fastjson.JSONObject;
import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.DefaultAlipayClient;
import com.alipay.api.request.AlipayTradeFastpayRefundQueryRequest;
import com.alipay.api.request.AlipayTradePagePayRequest;
import com.alipay.api.request.AlipayTradeQueryRequest;
import com.alipay.api.request.AlipayTradeRefundRequest;
import com.dongdongshop.config.AlipayConfig;
import com.dongdongshop.data.Result;
import com.dongdongshop.em.ConstantEnum;
import com.dongdongshop.po.AliPayBaseResult;
import com.dongdongshop.po.AliPayRefundPO;
import com.dongdongshop.po.AliPayResultPO;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpServletResponse;

@Controller
@RequestMapping("trade")
public class TradeController {


    /**
     *
     * @param WIDout_trade_no  订单号
     * @param WIDtotal_amount   支付金额
     * @param WIDsubject        订单名称
     * @param WIDbody           描述
     * @param response
     * @return
     * @throws AlipayApiException
     */

    // --------------   付款 ------------------
    @RequestMapping("alipayTradePagePay")
    @ResponseBody
    public String alipayTradePagePay(String WIDout_trade_no, String WIDtotal_amount,
                                     String WIDsubject, String WIDbody, HttpServletResponse response) throws AlipayApiException {
        //获得初始化的AlipayClient
        AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);

        //设置请求参数
        AlipayTradePagePayRequest alipayRequest = new AlipayTradePagePayRequest();
        // 同步回调路径
        alipayRequest.setReturnUrl(AlipayConfig.return_url);
        // 异步回调路径
        alipayRequest.setNotifyUrl(AlipayConfig.notify_url);

        alipayRequest.setBizContent("{\"out_trade_no\":\""+ WIDout_trade_no +"\","
                + "\"total_amount\":\""+ WIDtotal_amount +"\","
                + "\"subject\":\""+ WIDsubject +"\","
                + "\"body\":\""+ WIDbody +"\","
                + "\"product_code\":\"FAST_INSTANT_TRADE_PAY\"}");

        //请求 支付宝  其实就是拼接一个form 表单  我们把表单直接输出页面
        // 页面自动跳转支付页面
        String result = alipayClient.pageExecute(alipayRequest).getBody();
        return result;
    }

    // --------------   交易查询 ------------------
    @RequestMapping("alipayTradeQuery")
    @ResponseBody
    public Result alipayTradeQuery(String WIDTQout_trade_no,String WIDTQtrade_no) throws AlipayApiException {
        //获得初始化的AlipayClient
        AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);

        //设置请求参数
        AlipayTradeQueryRequest alipayRequest = new AlipayTradeQueryRequest();

        //商户订单号，商户网站订单系统中唯一订单号
//        String out_trade_no = new String(request.getParameter("WIDTQout_trade_no").getBytes("ISO-8859-1"),"UTF-8");
//        //支付宝交易号
//        String trade_no = new String(request.getParameter("WIDTQtrade_no").getBytes("ISO-8859-1"),"UTF-8");
        //请二选一设置

        alipayRequest.setBizContent("{\"out_trade_no\":\""+ WIDTQout_trade_no +"\","+"\"trade_no\":\""+ WIDTQtrade_no +"\"}");

        //请求
        String result = alipayClient.execute(alipayRequest).getBody();
        // String result  我们的程序调用支付宝,支付宝返回支付宝规定的统一返回值
        // 就是说我们调用第三方的接口,第三方会给我们返回json格式的String字符串
        // 这个时候我们就不能拿着第三方的返回值 返回前端,需要对第三方的返回值进行封装成我们自己的返回值
        //输出
//        out.println(result);
        AliPayBaseResult baseResult = JSONObject.parseObject(result, AliPayBaseResult.class);
        AliPayResultPO response = baseResult.getAlipay_trade_query_response();
        if (response==null){
            return Result.build(ConstantEnum.ERROR).setResult("支付宝查询失败,没有数据");
        }
        if (response.getCode()!=null && response.getCode()=="10000"){
            return Result.build(ConstantEnum.SUCCESS).setResult(response);
        }
        return Result.build(ConstantEnum.ERROR);
    }

    // --------------- 退款 ------------
    @RequestMapping("alipayTradeRefund")
    @ResponseBody
    public Result alipayTradeRefund(String WIDTRout_trade_no,String WIDTRtrade_no,String WIDTRrefund_amount,
                                    String WIDTRrefund_reason,String WIDTRout_request_no) throws AlipayApiException {
        //获得初始化的AlipayClient
        AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);

        //设置请求参数
        AlipayTradeRefundRequest alipayRequest = new AlipayTradeRefundRequest();

//        //商户订单号，商户网站订单系统中唯一订单号
//        String out_trade_no = new String(request.getParameter("WIDTRout_trade_no").getBytes("ISO-8859-1"),"UTF-8");
//        //支付宝交易号
//        String trade_no = new String(request.getParameter("WIDTRtrade_no").getBytes("ISO-8859-1"),"UTF-8");
//        //请二选一设置
//        //需要退款的金额，该金额不能大于订单金额，必填
//        String refund_amount = new String(request.getParameter("WIDTRrefund_amount").getBytes("ISO-8859-1"),"UTF-8");
//        //退款的原因说明
//        String refund_reason = new String(request.getParameter("WIDTRrefund_reason").getBytes("ISO-8859-1"),"UTF-8");
//        //标识一次退款请求，同一笔交易多次退款需要保证唯一，如需部分退款，则此参数必传
//        String out_request_no = new String(request.getParameter("WIDTRout_request_no").getBytes("ISO-8859-1"),"UTF-8");

        alipayRequest.setBizContent("{\"out_trade_no\":\""+ WIDTRout_trade_no +"\","
                + "\"trade_no\":\""+ WIDTRtrade_no +"\","
                + "\"refund_amount\":\""+ WIDTRrefund_amount +"\","
                + "\"refund_reason\":\""+ WIDTRrefund_reason +"\","
                + "\"out_request_no\":\""+ WIDTRout_request_no +"\"}");

        //请求
        String result = alipayClient.execute(alipayRequest).getBody();
        AliPayBaseResult baseResult = JSONObject.parseObject(result, AliPayBaseResult.class);
        AliPayRefundPO response = baseResult.getAlipay_trade_refund_response();
        if (response==null){
            return Result.build(ConstantEnum.ERROR).setResult("退款失败");
        }
        if (response.getCode()!=null && response.getCode()=="10000"){
            return Result.build(ConstantEnum.SUCCESS).setResult(response);
        }
        return Result.build(ConstantEnum.ERROR);
//        //输出
//        out.println(result);
    }

    // ---------- 退款查询 ------------
    @RequestMapping("alipayTradeFastPayRefundQuery")
    public Result alipayTradeFastPayRefundQuery(String WIDRQout_trade_no,String WIDRQtrade_no,String WIDRQout_request_no){
        //获得初始化的AlipayClient
        AlipayClient alipayClient = new DefaultAlipayClient(AlipayConfig.gatewayUrl, AlipayConfig.app_id, AlipayConfig.merchant_private_key, "json", AlipayConfig.charset, AlipayConfig.alipay_public_key, AlipayConfig.sign_type);

        //设置请求参数
        AlipayTradeFastpayRefundQueryRequest alipayRequest = new AlipayTradeFastpayRefundQueryRequest();

//        //商户订单号，商户网站订单系统中唯一订单号
//        String out_trade_no = new String(request.getParameter("WIDRQout_trade_no").getBytes("ISO-8859-1"),"UTF-8");
//        //支付宝交易号
//        String trade_no = new String(request.getParameter("WIDRQtrade_no").getBytes("ISO-8859-1"),"UTF-8");
//        //请二选一设置
//        //请求退款接口时，传入的退款请求号，如果在退款请求时未传入，则该值为创建交易时的外部交易号，必填
//        String out_request_no = new String(request.getParameter("WIDRQout_request_no").getBytes("ISO-8859-1"),"UTF-8");

        alipayRequest.setBizContent("{\"out_trade_no\":\""+ WIDRQout_trade_no +"\","
                +"\"trade_no\":\""+ WIDRQtrade_no +"\","
                +"\"out_request_no\":\""+ WIDRQout_request_no +"\"}");

        //请求
        String result = null;
        try {
            result = alipayClient.execute(alipayRequest).getBody();
            AliPayBaseResult baseResult = JSONObject.parseObject(result, AliPayBaseResult.class);
            AliPayRefundPO response = baseResult.getAlipay_trade_refund_response();
            return Result.build(ConstantEnum.SUCCESS).setResult(response);
        } catch (AlipayApiException e) {
            e.printStackTrace();
            return Result.build(ConstantEnum.ERROR);
        }
    }
}
